Filter cartridge



FIG. 1 is an upper side perspective view of the filter cartridge constructed in accordance with our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is an enlarged detail view of the top portion thereof.

The broken lines shown are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for a filter cartridge, as shown and described. 